Nightlight



FIG. 1 is a front right top isometric perspective view of a new ornamental design for a nightlight;

FIG. 2 is a front elevation view of the nightlight;

FIG. 3 is a rear elevation view of the nightlight, but shown without some of the broken lines for clarity of illustration; and,

FIG. 4 is a right side elevation view of the nightlight, the left side elevation view being a mirror image thereof. 

CLAIM The ornamental design for a nightlight, as shown and described. 